Tracerline TP3840-1P6 1 oz (30 ml) Universal/Ester bottles, services up to 24 vehicles

Tracerline Universal/Ester dyes are compatible with R-1234yf, R-134a, and other widely used refrigerants. Tracerline dyes can remain safely within the system. That means once the repair is made, the dye can be used as part of a preventative maintenance program. Refillable Injection Methods